The R8 Inserts were designed to make the R8 more versatile. With the new SuperPlush and SuperDeep Inserts, you can customize the feel of your R8 exactly how you want it. Feedback from athletes was vital in the development of each insert. Explore unique ways to customize your R8 with different combinations of Inserts. One Insert is for one side. Add two Inserts to make it a pair. *Inserts fit current R8 model only.